Fixes slice multithreading (broken in r22565)
Fixes issue1815


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fails.

It may fail not only because of an invalid value for the option, but
also for other reasons, e.g. memory problems etc.

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transition.

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This allows applications/libraries which require that symbol
(e.g. libavfilter) to be compiled without to depend on the presence of
libavcodec/avcodec.h, which may not be installed.

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is deprecated and will be dropped at the next major bump.

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Original patch by Justin, updated and resubmitted by
Christophe Gisquet, christophe D gisquet A gmail


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is no reference frame available. (this can happen because the EC code will attempt
to use reference frames even for I/IDR frames)


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functions.



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Darwin compilers default to PIC on, so -mdynamic-no-pic (which disables it 
again) needs to be added to cflags before enable pic is checked.

Fixes compilation without --enable-shared at least the 10.6 system compiler
for x86-32.
Fixes speed regression on all darwin arches except x86-64.


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start of decoding a picture instead of at the end.
Fixes mmco01.264

Patch by Stephen Warren


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Patch by Stephen Warren.


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Patch by Mohamed Naufal gmailify(naufal11).

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av_cold define.


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com>.



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Reduce worst case time from O(N^2) to O(N*log(N)).
Speedup average case by a factor of 10 in ffv2 (total decoding speed +4-25%),
factor of 1.3 in ffvhuff (total +0.5%),
factor of 1.8 in indeo5 (total +1%),
factor of 1.1 in mjpeg (total +0.1%).



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Patch by Lou Logan.


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patch by Michael Kostylev, michael.kostylev gmail com


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librtmp.

Patch by Howard Chu <hyc * highlandsun * com>.

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FFmpeg generic tag names.

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CC    libavformat/nutdec.o 
libavformat/nutdec.c: In function ‘read_seek’:
libavformat/nutdec.c:862: warning: passing argument 3 of ‘av_tree_find’ from incompatible pointer type
./libavutil/tree.h:44: note: expected ‘int (*)(void *, const void *)’ but argument is of type ‘int (*)(struct Syncpoint *, struct Syncpoint *)’
libavformat/nutdec.c:871: warning: passing argument 3 of ‘av_tree_find’ from incompatible pointer type
./libavutil/tree.h:44: note: expected ‘int (*)(void *, const void *)’ but argument is of type ‘int (*)(struct Syncpoint *, struct Syncpoint *)’
libavformat/nutdec.c:879: warning: passing argument 3 of ‘av_tree_find’ from incompatible pointer type
./libavutil/tree.h:44: note: expected ‘int (*)(void *, const void *)’ but argument is of type ‘int (*)(struct Syncpoint *, struct Syncpoint *)’
CC    libavformat/nutenc.o
libavformat/nutenc.c: In function ‘write_packet’:
libavformat/nutenc.c:680: warning: passing argument 3 of ‘av_tree_find’ from incompatible pointer type
./libavutil/tree.h:44: note: expected ‘int (*)(void *, const void *)’ but argument is of type ‘int (*)(struct Syncpoint *, struct Syncpoint *)’


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NULL.

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